Standardize function import

script-user-reset-x2go

@@ -5,13 +5,17 @@
 parent="${BASH_SOURCE[0]}"
 parent=${parent%/*}
 
-[[ -f "$parent"/script-functions ]] && . "$parent"/script-functions || exit 1
+[[ -f $parent/script-functions ]] && . "$parent"/script-functions || exit 1
 
 is_root
 
-[[ $# -lt 1 ]] && echo "No username provided!" && exit 1
-[[ $# -ge 1 ]] && user="$1"
+echo "This script supports one optional argument, a username"
 
+if [[ $# -eq 1 ]]; then
+    user="$1"
+else
+    prompt user
+fi
 
 # Clean local user cache
 rm -rf /home/"$user"/.x2go/C-"$user"-*